Definition of "intrude"

intrude

/ɪnˈtɹuːd/

verb
third-person singular simple present intrudes, present participle intruding, simple past and past participle intruded
1. (intransitive) To thrust oneself in; to come or enter without invitation, permission, or welcome; to encroach; to trespass.
  Quotations
  Some thoughts rise and intrude upon us, while we shun them; others fly from us, when we would hold them.
  1725, Isaac Watts, Logick: Or, The Right Use of Reason in the Enquiry after Truth, […], 2nd edition, London: […] John Clark and Richard Hett, […], Emanuel Matthews, […], and Richard Ford, […], published 1726
2. (transitive) To force in.